diff --git a/composer.json b/composer.json
index 859bf54..c996a16 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "ext-grpc": "*",
         "ext-sockets": "*",
         "ext-curl": "*",
-        "phpmailer/phpmailer": "6.11.0",
+        "phpmailer/phpmailer": "6.11.1",
         "grpc/grpc": "1.74.0",
         "google/protobuf": "4.32.1"
     }
diff --git a/composer.lock b/composer.lock
index 3236f90..a6b9970 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "54936614a171b35a2e27e4038bc463c3",
+    "content-hash": "7103448911bd69b546f73be0ec877ae8",
     "packages": [
         {
             "name": "google/protobuf",
@@ -96,16 +96,16 @@
         },
         {
             "name": "phpmailer/phpmailer",
-            "version": "v6.11.0",
+            "version": "v6.11.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPMailer/PHPMailer.git",
-                "reference": "9500c37b70ada2b94f691f527ce11febc0c1998b"
+                "reference": "d9e3b36b47f04b497a0164c5a20f92acb4593284"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPMailer/PHPMailer/zipball/9500c37b70ada2b94f691f527ce11febc0c1998b",
-                "reference": "9500c37b70ada2b94f691f527ce11febc0c1998b",
+                "url": "https://api.github.com/repos/PHPMailer/PHPMailer/zipball/d9e3b36b47f04b497a0164c5a20f92acb4593284",
+                "reference": "d9e3b36b47f04b497a0164c5a20f92acb4593284",
                 "shasum": ""
             },
             "require": {
@@ -166,7 +166,7 @@
             "description": "PHPMailer is a full-featured email creation and transfer class for PHP",
             "support": {
                 "issues": "https://github.com/PHPMailer/PHPMailer/issues",
-                "source": "https://github.com/PHPMailer/PHPMailer/tree/v6.11.0"
+                "source": "https://github.com/PHPMailer/PHPMailer/tree/v6.11.1"
             },
             "funding": [
                 {
@@ -174,7 +174,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-09-29T16:40:59+00:00"
+            "time": "2025-09-30T11:54:53+00:00"
         }
     ],
     "packages-dev": [],